, in other words, that they wouldn't be prosecuted under local laws like afghan laws. he doesn't feel that's going to be as big of a hurdle in afghanistan as it was in iraq. he says president hamid karzai is much stronger in his ability to say, we want u.s. troops here. he says one of the things that's going to be key is the afghans' demand for a lot of money in the later years, say, five, six, seven years out, how much money the afghans will want in return, wolf. >> because the president kept saying during the campaign, as you know, chris, that all u.s. troops would be out of afghanistan by the end of 2014. there's still about 70,000 u.s. troop there is right now. and most of them are presumably going to be there for the next two years or so, costing taxpayers roughly $1 billion a year to keep the troops there. would this be seen as a violation of the president's commitment to the american people to get all troops out of afghanistan by the end of 2014? >> reporter: well, it depends how you read the president's previous statements, wolf. it also depends on how things change in afghanistan.